
Cirrus Logic
DESCRIPTION
The CS8900A is a low-cost Ethernet LAN Controller optimized for Industry Standard Architecture (ISA) Personal Computers. Its highly-integrated design eliminates the need for costly external components required by other Ethernet controllers. The CS8900A includes on-chip RAM, 10BASE-T transmit and receive filters, and a direct ISA-Bus interface with 24 mA Drivers.
FEATURES
■ Single-Chip IEEE 802.3 Ethernet Controller with Direct ISA-Bus Interface
■ Maximum Current Consumption = 55mA (5V Supply)
■ 3 V Operation
■ Industrial Temperature Range
■ Comprehensive Suite of Software Drivers Available
■ Efficient PacketPage™ Architecture Operates in I/O and Memory Space, and as DMA Slave
■ Full Duplex Operation
■ On-Chip RAM Buffers Transmit and Receive Frames
■ 10BASE-T Port with Analog Filters, Provides:
— Automatic Polarity Detection and Correction
■ AUI Port for 10BASE2, 10BASE5 and 10BASE-F
■ Programmable Transmit Features:
— Automatic Re-transmission on Collision
— Automatic Padding and CRC Generation
■ Programmable Receive Features:
— Stream Transfer™ for Reduced CPU Overhead
— Auto-Switch Between DMA and On-Chip Memory
— Early Interrupts for Frame Pre-Processing
— Automatic Rejection of Erroneous Packets
■ EEPROM Support for Jumperless Configuration
■ Boot PROM Support for Diskless Systems
■ Boundary Scan and Loopback Test
■ LED Drivers for Link Status and LAN Activity
■ Standby and Suspend Sleep Modes